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Finding the Fourth Proportional to 504,468.69, 755,862.28 and 354,440.39

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Solution

The fourth proportional to 504,468.69, 755,862.28 and 354,440.39 is: 531,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,468.69 : 755,862.28 = 354,440.39 : x
  2. Step 2: Convert to fraction form
    504,468.69/755,862.28 = 354,440.39/x
  3. Step 3: Cross multiply
    504,468.69x = 755,862.28 × 354,440.39
  4. Step 4: Simplify right side
    504,468.69x = 267,908,122,889.53
  5. Step 5: Solve for x
    x = 267,908,122,889.53/504,468.69
  6. Step 6: Final answer
    x = 531,069.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.